下面这些单词用英文怎么说啊?辩论赛摄影展歌咏比赛合影讲座积极分子交流会团体操舞蹈大赛献血戒毒所学风证书志愿者运动会下乡

辩论赛 = Debate
摄影展 = Photography Exhibition
歌咏比赛 = Singing Contest
合影 = Group Photo
讲座 = Info Session
积极分子 = Activist
交流会 = Information Exchange
团体操 = Group Aerobics
舞蹈大赛 = Dance Contest
献血 = Blood Donation
戒毒所 = Drug Rehabilitation Center (Drug Rehab)
学风 = School Tradition
证书 = Certificate
志愿者 = Volunteer
运动会 = Sports Carnival
下乡 = Excursion to the Country

Argue a match
Shoot film festival
Sing a game
Match a shadow
Academic chair
Activist
Communicate meeting
Regiment gymnastics
Dance a big match
Dedicate blood
Quit poison
Atmosphere of a school
Certificate
Volunteer
Sports games
Go to the country

辩论赛 debate competition
摄影展 photo exhibition
歌咏比赛 singing competition
合影 take a photo together
讲座 lecture
积极分子 activist
交流会 communication conference
团体操
舞蹈大赛 dancing ga...